public void TryReadRecord_HeaderAndFooterWithInvalidRecordLength_ExceptionIsThrown()
{
var records = new byte[][]
{
new byte[] { 0x1 },
new byte[] { 0x2, 0x3 },
new byte[] { 0x4, 0x5, 0x6 },
new byte[] { 0x7 }
};
var recordsBuffer = BuildRecordsBuffer(records);
bool couldReadRecord;
IEnumerable <FieldFailure> failures;
using (var stream = new MemoryStream(recordsBuffer))
using (var dataReader = new FixedWidthBinaryStreamReader(stream))
{
dataReader.RecordSize = 2;
dataReader.HeaderSize = 1;
dataReader.FooterSize = 1;
dataReader.Open();
do
{
couldReadRecord = dataReader.TryReadRecord(out var record, out failures);
}while (couldReadRecord || failures?.Count() > 0);
}
}
public void TryReadRecord_NoHeaderOrFooterWithTwoRecords_AllRecordsAreRead()
{
var records = new byte[][]
{
new byte[] { 0x1, 0x2 },
new byte[] { 0x3, 0x4 }
};
var recordsBuffer = BuildRecordsBuffer(records);
var recordsRead = 0;
bool couldReadRecord;
IEnumerable <FieldFailure> failures;
using (var stream = new MemoryStream(recordsBuffer))
using (var dataReader = new FixedWidthBinaryStreamReader(stream))
{
dataReader.RecordSize = 2;
dataReader.HeaderSize = 0;
dataReader.FooterSize = 0;
dataReader.Open();
do
{
couldReadRecord = dataReader.TryReadRecord(out var record, out failures);
if (couldReadRecord)
{
Assert.IsTrue(((byte[])record).SequenceEqual(records[++recordsRead - 1]));
}
}while (couldReadRecord || failures?.Count() > 0);
Assert.AreEqual(2, recordsRead);
}
}
public void TryReadRecord_FooterMissingAndNoHeaderWithZeroRecords_ExceptionIsThrown()
{
var records = new byte[] { };
using (var stream = new MemoryStream(records))
using (var dataReader = new FixedWidthBinaryStreamReader(stream))
{
dataReader.RecordSize = 2;
dataReader.HeaderSize = 0;
dataReader.FooterSize = 1;
dataReader.Open();
dataReader.TryReadRecord(out var record, out var failures);
}
}
public void TryReadRecord_HeaderAndFooterWithZeroRecords_NoRecordsAreRead()
{
var records = new byte[] { 0x1, 0x2 };
using (var stream = new MemoryStream(records))
using (var dataReader = new FixedWidthBinaryStreamReader(stream))
{
dataReader.RecordSize = 2;
dataReader.HeaderSize = 1;
dataReader.FooterSize = 1;
dataReader.Open();
var couldReadRecord = dataReader.TryReadRecord(out var record, out var failures);
Assert.IsFalse(couldReadRecord);
}
}